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" A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. "
Elements of Geometry: Containing the First Six Books of Euclid, with a ... - Page 9
by John Playfair - 1842 - 317 pages
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Mensuration for beginners [With] Answers

William Dodds - 1883 - 202 pages
...THE CIRCUMFERENCE AND DIAMETER OF A CIRCLE. 96. A Circle is a plane figure bounded bj a curved line called the circumference, and is such that all straight lines drawn from a point within the figure to the circumference are equal, and this point is called the centre of the...
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The Elements of Plane Geometry ...

Association for the improvement of geometrical teaching - Geometry, Modern - 1884 - 150 pages
...3. A circle may be drawn with any centre, with a radius equal to any finite straight line. DEF. 41. A circle is a plane figure contained by one. line,...figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 42. A radius of a circle is a straight line drawn...
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The elements of plane geometry, Volume 1

Mathematical association - 1884 - 146 pages
...3. A circle may be drawn with any centre, with a radius equal to any finite straight line. DEF. 41. A circle is a plane figure contained by one line,...figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 42. A radius of a circle is a straight line drawn...
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An introduction to geometry, consisting of Euclid's Elements, book ..., Volume 1

Euclides - 1884 - 182 pages
...figure ACDE. 1. What is the word ' area ' used for, and what does ' figure ' then mean ? 8. CIRCLES. 15. A circle is a plane figure contained by one line,...figure to the circumference are equal to one another. 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line...
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The text of Euclid's geometry, book 1, uniformly and systematically arranged ...

Euclides - 1884 - 214 pages
...is the extremity of anything. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight...
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The Elements of Euclid, books i. to vi., with deductions, appendices and ...

Euclides - 1884 - 434 pages
...when the fixed point is inside the circle, outside the circle, and on the oce. BOOK III. DEFINITIONS. 1. A circle is a plane figure contained by one line...within the figure to the circumference are equal. This point is called the centre of the circle, and the straight lines drawn from the centre to the...
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Stewart's specific subjects. Euclid. [1st] (-3rd stage). [With 2 issues of ...

Stewart W. and co - 1884 - 272 pages
...or more boundaries. XV. A circle is a plane figure contained by one line, called the circumference, such that all straight lines drawn from a certain...figure to the circumference are equal to one another. XVI. This point is called the centre. XVII. A diameter of a circle is a straight line drawn through...
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The Anatomy of Tobacco, Or, Smoking Methodised, Divided, and Considered ...

Arthur Machen - Smoking - 1884 - 104 pages
...the material part or genus, and the formal part or differentia. Now the definition of a circle is " A circle is a plane figure contained by one line which is called the circumference," which definition " a plane figure" is the genus, and " contained by one line" the differentia ; and...
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The popular educator, Volume 1

Popular educator - 1884 - 900 pages
...is a plane figure contained or bounded by a eurml line, called the circumference or periphery, which is such that all straight lines drawn from a certain point within the figure to tho circumference are equal to each other. This point Fig:. 6. Fig. 7. ii called the centre of the...
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The Squared Circle: Being a Short Treatise, Describing the Manner by which ...

James Bailey Andrews - Circle-squaring - 1884 - 40 pages
..."Euclid's" definition of what constitutes a circle and its diameter — "A circle is a plane figure bounded by one line, which is called the circumference ; and is such, that all right lines drawn from a certain point within the figure to the circumference are equal to one another,...
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